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Single-mode single-core 10 Gigabit optical module

Fiber and communications infrastructure knowledge brief Published 08 Mar 2024

Use this reference to prepare product questions for BAGYOU FIBRE. Check interfaces, capacity, protection and installation requirements against the current product documentation.

10G single-mode SFP+ optical modules include LR, ER, ZR, and BiDi types, designed for long-distance transmission over single-core fiber.

Overview of Single-

Mode 10G SFP+ ModulesSingle-mode 10G SFP+ modules are optimized for long-distance fiber optic communication using a single-core fiber strand. They are widely used in data centers, enterprise backbones, and metro networks due to their ability to support high-speed 10 Gigabit Ethernet over extended distances. Common Types and Specifications10GBASE-LR (Long Reach): Operates at 1310 nm, supports distances up to 10 km, and uses a distributed feedback (DFB) laser for reliable single-mode transmission.

10GBASE-ER (Extended Reach): Operates at 1550 nm, supports distances up to 40 km, and uses an externally modulated laser (EML) for ultra-long-haul applications. 10GBASE-ZR: Also operates at 1550 nm, designed for very long distances up to 80 km, suitable for metro and long-haul networks. SFP+ BiDi (Bidirectional): Transmits and receives data over a single strand of single-mode fiber using different wavelengths for each direction, effectively reducing fiber usage by 50%.

Typical deployment distances include 10 km, 20 km, and 40 km.

Key Features

Form Factor: SFP+ modules are compact, hot-swappable, and compatible with standard SFP+ ports. Interface: Most single-mode modules use LC duplex connectors, while BiDi modules use a single LC simplex connector. Standards Compliance: Modules comply with IEEE 802.

3ae, SFF-8472, and SFF-8431 standards. Applications: Ideal for long-distance interconnects, data center uplinks, campus networks, and service provider transport networks.

Advantages

Extended Reach: Single-mode modules support distances far beyond multimode fiber, making them suitable for campus and metro networks. Fiber Efficiency: BiDi modules reduce fiber cabling requirements, simplifying network management and lowering costs. Scalability: Compatible with existing 10G infrastructure and can be integrated into phased network upgrades.

In summary, 10G single-mode SFP+ optical modules provide flexible, long-distance connectivity options, with LR, ER, ZR, and BiDi types addressing different reach and deployment needs. They are essential for high-speed, fiber-constrained networks where single-core fiber efficiency and extended transmission distances are critical.

Single-mode single-core 10 Gigabit optical module - BAGYOU FIBRE NETWORKS [PDF]

Single-mode single-core 10 Gigabit optical module

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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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